We are to perform 4 tests which will determine if the four macromolecules are present. Hannah Barlow Introduction: This experiment was meant to teach us the four kinds of macromolecules: proteins, lipids, carbohydrates, and nucleic acids. Laboratory investigations will make up a minimum of 25. Create your own flash cards! Sign up here. Lab Manual: AP Biology Investigative Labs: An Inquiry Based Approach. Click here to study/print these flashcards.